frow new screening features for those flying into the united states. derek valcourt is live with the latest. >> reporter: travelers who want to get into the u.s. will be subject to mandatory full body patdowns carry on searches and body scans. people flying from nations considered to be sponsors of tearlism see the biggest changes. the new guidelines come more than a week after a man allegedly trying to blow up a u.s. airline on christmas day and another security breach grounded flights at new jersey's newark airport for six hours. thousands of passengers had to be rescreened after a man slipped past security by enterreg through an exit lane. the tsa says security video revealed he left through another exit about 20 minutes later. don. >> thank you very much. >>> tsa studies video of the breach to figure out the man's eye didn'tity and what he was trying to do. >>> we are -- identity and what he was trying to do. >>> police are investigating ball mere city first homicide of 2010. an unidentified man was found shot to death in the 2300 block of ocala av